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EXAFS studies of nickel superalloys

N Binsted1 and A Bryan Edwards2

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Seven Ni-superalloy foils have been studied using EXAFS together with X-ray diffraction and electron microprobe fluorescence mapping. The usefulness of EXAFS in characterising changes during heat treatment and in differences in the host phase of minor elements has been demonstrated, in addition to the ability of multiple-scattering RMC simulations to give reliable and accurate information on local lattice distortions in these alloys.


PACS

78.70.Dm X-ray absorption spectra

89.20.Kk Engineering

81.40.Lm Deformation, plasticity, and creep

62.20.Hg Creep

81.40.Gh Other heat and thermomechanical treatments

Subjects

Condensed matter: electrical, magnetic and optical

Condensed matter: structural, mechanical & thermal

Dates

Issue 1 (2009)



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